Home / 742,613,901.35-1,024,583,702.76-445,147,607.12

Finding the Fourth Proportional to 742,613,901.35, 1,024,583,702.76 and 445,147,607.12

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Solution

The fourth proportional to 742,613,901.35, 1,024,583,702.76 and 445,147,607.12 is: 614,169,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,613,901.35 : 1,024,583,702.76 = 445,147,607.12 : x
  2. Step 2: Convert to fraction form
    742,613,901.35/1,024,583,702.76 = 445,147,607.12/x
  3. Step 3: Cross multiply
    742,613,901.35x = 1,024,583,702.76 × 445,147,607.12
  4. Step 4: Simplify right side
    742,613,901.35x = 456,090,983,580,324,800
  5. Step 5: Solve for x
    x = 456,090,983,580,324,800/742,613,901.35
  6. Step 6: Final answer
    x = 614,169,735.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.